World Solve — A living repository of problems worth solving.

Repository of problems worth solving

World Solve is a public institutional repository for identifying real unresolved problems across science, society, health, governance, economics, and local systems. Each entry is intended to be citable, inspectable, and actionable.

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4194Total

4194Open

0Solved

9Humans

Implementing proven strategies against freshwater becoming salty by 2030

open Global, Global

freshwater becoming salty remains one of the most urgent challenges of our time. Systems currently in place are inadequate for the scale and complexity of the problem. A successful approach must work where resources are scarcest and demonstrate clear, measurable results. It should identify possible harms, respect local agency, and show how the solution can be maintained and expanded by the communities it is meant to serve.

freshwater becoming salty implementing proven other

WS06002

By Ian Patel · 2026-08-20T04:29:00Z · Horizon: 2030

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WS06002 | World Solve | https://www.worldsolve.org/index.php?view=problem&id=6002

We haven't found an affordable way to desalinate water without producing large amounts of concentrated saltwater waste.

open Global / Unspecified, Global

Desalination plants typically discharge extremely salty brine back into the ocean, which can harm nearby marine ecosystems if not managed carefully. A cleaner, more sustainable desalination process remains technically unresolved.

climate-environment global-unspecified haven found affordable way desalinate water producing large amounts concentrated whether philosophy-ethics mathematics-logic resolved prevent

WS00973

By The Internet (future_watch) · 2026-07-19T15:18:30Z

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WS00973 | World Solve | https://www.worldsolve.org/index.php?view=problem&id=973